--- gcc-3.4.6.org/gcc/unwind-dw2.c	2013-04-12 03:07:51.551000002 +0000
+++ gcc-3.4.6/gcc/unwind-dw2.c	2013-04-12 03:08:08.413000003 +0000
@@ -28,6 +28,7 @@
    Software Foundation, 59 Temple Place - Suite 330, Boston, MA
    02111-1307, USA.  */
 
+#define _GNU_SOURCE
 #include "tconfig.h"
 #include "tsystem.h"
 #include "coretypes.h"
